diff --git a/src/k_collide.c b/src/k_collide.c
index 7b0854a01..128364cfc 100644
--- a/src/k_collide.c
+++ b/src/k_collide.c
@@ -675,6 +675,12 @@ static inline BlockItReturn_t PIT_LightningShieldAttack(mobj_t *thing)
 		return BMIT_ABORT;
 	}
 
+	if (thing == NULL || P_MobjWasRemoved(thing))
+	{
+		// Invalid?
+		return BMIT_ABORT;
+	}
+
 	if (thing == lightningSource)
 	{
 		// Don't explode yourself!!
diff --git a/src/k_kart.c b/src/k_kart.c
index a2898ae41..de8d3e004 100644
--- a/src/k_kart.c
+++ b/src/k_kart.c
@@ -1700,9 +1700,13 @@ static void K_DrawDraftCombiring(player_t *player, player_t *victim, fixed_t cur
 	UINT8 c;
 
 	if (maxdist == 0)
-		c = 0;
+	{
+		c = leveltime % CHAOTIXBANDCOLORS;
+	}
 	else
+	{
 		c = FixedMul(CHAOTIXBANDCOLORS<<FRACBITS, FixedDiv(curdist-minimumdist, maxdist-minimumdist)) >> FRACBITS;
+	}
 
 	stepx = (victim->mo->x - player->mo->x) / CHAOTIXBANDLEN;
 	stepy = (victim->mo->y - player->mo->y) / CHAOTIXBANDLEN;
@@ -1721,8 +1725,16 @@ static void K_DrawDraftCombiring(player_t *player, player_t *victim, fixed_t cur
 				curz + (P_RandomRange(24,48)*mapobjectscale),
 				MT_SIGNSPARKLE);
 
-			P_SetMobjState(band, S_SIGNSPARK1 + (leveltime % 11));
-			P_SetScale(band, (band->destscale = (3*player->mo->scale)/2));
+			if (maxdist == 0)
+			{
+				P_SetMobjState(band, S_KSPARK1 + (leveltime % 8));
+				P_SetScale(band, (band->destscale = player->mo->scale));
+			}
+			else
+			{
+				P_SetMobjState(band, S_SIGNSPARK1 + (leveltime % 11));
+				P_SetScale(band, (band->destscale = (3*player->mo->scale)/2));
+			}
 
 			band->color = colors[c];
 			band->colorized = true;
@@ -1892,9 +1904,14 @@ static void K_UpdateDraft(player_t *player)
 	}
 
 	// No one to draft off of? Then you can knock that off.
-	if (player->draftleeway) // Prevent small disruptions from stopping your draft.
+	if (player->draftleeway > 0) // Prevent small disruptions from stopping your draft.
 	{
-		player->draftleeway--;
+		if (P_IsObjectOnGround(player->mo) == true)
+		{
+			// Allow maintaining tether in air setpieces.
+			player->draftleeway--;
+		}
+
 		if (player->lastdraft >= 0
 			&& player->lastdraft < MAXPLAYERS
 			&& playeringame[player->lastdraft]
@@ -3109,6 +3126,12 @@ static void K_GetKartBoostPower(player_t *player)
 			draftspeed *= 2;
 		}
 
+		if (player->itemtype == KITEM_LIGHTNINGSHIELD)
+		{
+			// infinite tether
+			draftspeed *= 2;
+		}
+
 		speedboost += FixedMul(draftspeed, player->draftpower); // (Drafting suffers no boost stack penalty.)
 		numboosts++;
 	}
diff --git a/src/p_enemy.c b/src/p_enemy.c
index 724cb8f39..2c69e7bfe 100644
--- a/src/p_enemy.c
+++ b/src/p_enemy.c
@@ -14032,21 +14032,21 @@ void A_LightningFollowPlayer(mobj_t *actor)
 	if (!actor->target)
 		return;
 
+	if (actor->extravalue1)	// Make the radius also follow the player somewhat accuratly
 	{
-		if (actor->extravalue1)	// Make the radius also follow the player somewhat accuratly
-		{
-			sx = actor->target->x + FixedMul((actor->target->scale*actor->extravalue1), FINECOSINE((actor->angle)>>ANGLETOFINESHIFT));
-			sy = actor->target->y + FixedMul((actor->target->scale*actor->extravalue1), FINESINE((actor->angle)>>ANGLETOFINESHIFT));
-			P_MoveOrigin(actor, sx, sy, actor->target->z);
-		}
-		else	// else just teleport to player directly
-			P_MoveOrigin(actor, actor->target->x, actor->target->y, actor->target->z);
-
-		K_MatchGenericExtraFlags(actor, actor->target);	// copy our target for graviflip
-		actor->momx = actor->target->momx;
-		actor->momy = actor->target->momy;
-		actor->momz = actor->target->momz;	// Give momentum since we don't teleport to our player literally every frame.
+		sx = actor->target->x + FixedMul((actor->target->scale*actor->extravalue1), FINECOSINE((actor->angle)>>ANGLETOFINESHIFT));
+		sy = actor->target->y + FixedMul((actor->target->scale*actor->extravalue1), FINESINE((actor->angle)>>ANGLETOFINESHIFT));
+		P_MoveOrigin(actor, sx, sy, actor->target->z);
 	}
+	else	// else just teleport to player directly
+	{
+		P_MoveOrigin(actor, actor->target->x, actor->target->y, actor->target->z);
+	}
+
+	K_MatchGenericExtraFlags(actor, actor->target);	// copy our target for graviflip
+	actor->momx = actor->target->momx;
+	actor->momy = actor->target->momy;
+	actor->momz = actor->target->momz;	// Give momentum since we don't teleport to our player literally every frame.
 }
 
 // A_FZBoomFlash: